Avaya one-X® Communicator Avaya one-X® Communicator

How to uninstall Avaya one-X® Communicator from your computer

Avaya one-X® Communicator is a computer program. This page holds details on how to uninstall it from your PC. It was developed for Windows by Avaya Inc.. You can read more on Avaya Inc. or check for application updates here. Please follow if you want to read more on Avaya one-X® Communicator on Avaya Inc.'s web page. The program is often installed in the C:\Program Files (x86)\Avaya\Avaya one-X Communicator directory. Keep in mind that this location can differ being determined by the user's preference. The full command line for uninstalling Avaya one-X® Communicator is MsiExec.exe /X{5A66C33C-5AE5-4B9D-AE5C-78A34A5DD7D6}. Note that if you will type this command in Start / Run Note you may be prompted for administrator rights. The program's main executable file has a size of 1.47 MB (1539400 bytes) on disk and is named onexcui.exe.

Avaya one-X® Communicator is composed of the following executables which occupy 1.52 MB (1598552 bytes) on disk:

  • onexcui.exe (1.47 MB)
  • CertMgr.Exe (57.77 KB)

This data is about Avaya one-X® Communicator version alone. You can find here a few links to other Avaya one-X® Communicator versions: to view all...

How to delete Avaya one-X® Communicator using Advanced Uninstaller PRO

Avaya one-X® Communicator is a program marketed by the software company Avaya Inc.. Sometimes, computer users try to remove this program. This can be troublesome because uninstalling this by hand requires some know-how regarding removing Windows applications by hand. One of the best QUICK action to remove Avaya one-X® Communicator is to use Advanced Uninstaller PRO. Take the following steps on how to do this:

1. If you don't have Advanced Uninstaller PRO already installed on your Windows PC, install it. This is a good step because Advanced Uninstaller PRO is the best uninstaller and all around utility to clean your Windows system.


  • go to Download Link
  • download the setup by clicking on the green DOWNLOAD button
  • install Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. Take your time to get familiar with Advanced Uninstaller PRO's design and number of tools available. Advanced Uninstaller PRO is a very useful system optimizer.

3. Click on the General Tools category
Go to General Tools

4. Activate the Uninstall Programs button
Go to Uninstall Programs

5. All the programs existing on the computer will be shown to you

6. Scroll the list of programs until you locate Avaya one-X® Communicator or simply click the Search field and type in "Avaya one-X® Communicator". The Avaya one-X® Communicator application will be found automatically. When you select Avaya one-X® Communicator in the list , some information regarding the program is made available to you:

  • Safety rating (in the lower left corner). The star rating explains the opinion other people have regarding Avaya one-X® Communicator, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other people - Click on the Read reviews button.
  • Details regarding the program you are about to remove, by clicking on the Properties button.
For example you can see that for Avaya one-X® Communicator:

  • The web site of the program is:
  • The uninstall string is: MsiExec.exe /X{5A66C33C-5AE5-4B9D-AE5C-78A34A5DD7D6}
7. Press the Uninstall button. A confirmation dialog will appear. Confirm the uninstall by pressing the Uninstall button. Advanced Uninstaller PRO will automatically uninstall Avaya one-X® Communicator.
Uninstall Avaya one-X® Communicator

8. After uninstalling Avaya one-X® Communicator, Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to proceed with the cleanup. All the items of Avaya one-X® Communicator that have been left behind will be found and you will be asked if you want to delete them. By uninstalling Avaya one-X® Communicator with Advanced Uninstaller PRO, you can be sure that no registry entries, files or directories are left behind on your disk.

Your system will remain clean, speedy and ready to run without errors or problems.

Geographical user distribution

  • 10.0
  • Windows 8.1 (6.3)
  • Windows 7 (6.1)
  • Windows 8 (6.2)
Software Application


This page is not a piece of advice to uninstall Avaya one-X® Communicator by Avaya Inc. from your computer, we are not saying that Avaya one-X® Communicator by Avaya Inc. is not a good application for your PC. This text only contains detailed instructions on how to uninstall Avaya one-X® Communicator supposing you want to. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.

2016-07-29 / Written by Andreea Kartman for Advanced Uninstaller PRO

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Last update on: 2016-07-29 09:05:51.123